.youhui{
    display: flex;
    flex-wrap: wrap;
    a{
        display: flex;
        width: 32%;
        display: block;
        border: 1px solid greenyellow;
        text-align: center;
        padding: 10px 5px;
        color: #666;
        margin:2px 2px ;
        }
        img{
            width: 50%;
        }
    }
